Holley Main Jets 77 #122-77 2533650 Shank : 16mm dia straight

Shank : 16mm dia straight

49” thick for excellent access

It is designed for all ferrous and non ferrous metals

by 45° downwards and by 90° upwards

5 Holes in base of tool:

Holley Main Jets 77 #122-77 2533650 Shank : 16mm dia straightThese metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main Jets are flow tested and then stamped with the correct number. Standard Main Jet . 077" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500